Spoas S403 Tennis Trainer – Wave Rebound Training Aid
Precision-engineered with high-density foam core and durable polyurethane outer layer for consistent ball rebound. Unique wave-shaped design enhances muscle memory for accurate forehand and backhand strokes. Ideal for solo practice, coaching sessions, and beginner skill development with instant ball return. Lightweight yet stable construction ensures portability and indoor/outdoor use on any flat surface. Ultra-grip base prevents sliding during intense drills for uninterrupted training sessions.